The Invisible Wall

Don Castle

Harry Lane

Virginia Christine

Mildred Elsworth

Richard Gaines

Richard Elsworth

Arthur Space

Roy Hanford

Edward Keane

Marty Floyd

Jeff Chandler

Al Conway, henchman

Mary Gordon

Mrs. Bledsoe

Harry Cheshire

Eugene Hamilton

Rita Duncan

Alice Jamison

Harry Shannon

Det. Capt. R.W. Davis

Earle S. Dewey

Doctor Winters

Wheaton Chambers

Conductor (uncredited)